SR501 EN Operation Manual
- 44 -
works until the T2 temperature rise to 6
o
C. Adjustable range is 0-90
o
C
,
hysteretic temperature is 5
o
C.
•
Time controlled pipe anti-freezing
For time controlled pipe anti-freezing mode, at the pre-set time section, the
running time of pipe belt heating is set to10 minutes (default set, not adjustable),
the interval time of pipe belt heating is set to 30 minutes (adjustable range 0-90
minute). Belt heating function runs for 10 minutes, then it stops for 30 minutes,
this heating process is repeated within the time section, through this setting, it
can avoid giving power to heating wires for long time, saving electricity and it
can avoid fire due to aging of wire.
Activate and deactivate this function:
►Press “INSU” button for 3 seconds
,
wo
rking time “30min” of pipe anti-freezing
function blinks on the screen
►Press “
▲▼
” button to adjust the interval time of pipe anti-freezing heating,
adjustable range: 1-90-minute, factory set is 30 minutes.
►Press “INSU” button for 3 seconds again to cease the pipe anti-freezing
function.
Note:
1)
Only after sensor T2 is installed, the temperature controlled pipe
anti-freezing mode just can be available, its setting is same as time mode.
2)
When sensor T2 is not installed or it is damaged, the control mode of pipe
anti-freezing is switched to the time controlled mode.
9. View the measuring value
When controller works at normal status, by pressing
“
▲▼
” button, it is possible
to view the T1, T2 temperature value, controller running time, sensor running
time and software version.
When controller works at normal status, press
“ESC” button for 3 seconds, it is